<template>
  <div class="user-manage">
    <div class="query-form">
      <el-form ref="form"
               :inline="true"
               :model="queryForm">
        <el-form-item label="菜单名称"
                      prop="menuName">
          <el-input v-model="queryForm.menuName"
                    placeholder="请输入菜单名称" />
        </el-form-item>
        <el-form-item label="菜单状态"
                      prop="menuState">
          <el-select v-model="queryForm.menuState">
            <el-option :value="1"
                       label="正常"></el-option>
            <el-option :value="2"
                       label="停用"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary"
                     @click="getMenuList">查询</el-button>
          <el-button @click="handleReset('form')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
    <div class="base-table">
      <div class="action">
        <el-button type="primary"
                   @click="handleAdd(1)"
                   v-has="'menu-create'"><i class="el-icon-plus"></i> 新增</el-button>
      </div>
      <el-table :data="menuList"
                row-key="_id"
                :expand-row-keys="extend"
                :tree-props="{ children: 'children' }"
                :header-cell-style="{borderColor: '#ddd', color: '#333', backgroundColor: '#eee'}"
                border
                stripe>
        <el-table-column v-for="item in columns"
                         :key="item.prop"
                         :prop="item.prop"
                         :label="item.label"
                         :width="item.width"
                         :formatter="item.formatter"
                         align="center">
        </el-table-column>
        <el-table-column label="操作"
                         width="220"
                         align="center">
          <template #default="scope">
            <el-button @click="handleAdd(2, scope.row)"
                       type="primary"
                       size="mini"
                       v-has="'menu-create'">新增</el-button>
            <el-button @click="handleEdit(scope.row)"
                       size="mini"
                       v-has="'menu-create'">编辑</el-button>
            <el-button type="danger"
                       size="mini"
                       @click="handleDel(scope.row._id)"
                       v-has="'menu-create'">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-dialog :title="action === 'add' ? '新增菜单' : '编辑菜单' "
               v-model="showModal"
               :close-on-click-modal="false"
               center>
      <el-form ref="dialogForm"
               :model="menuForm"
               label-width="100px"
               :rules="rules">
        <el-form-item label="父级菜单"
                      prop="parentId">
          <el-cascader v-model="menuForm.parentId"
                       :options="menuList"
                       :props="{ checkStrictly: true, value: '_id', label: 'menuName' }"
                       clearable />
          <span>不选，则直接创建一级菜单</span>
        </el-form-item>
        <el-form-item label="菜单类型"
                      prop="menuType">
          <el-radio-group v-model="menuForm.menuType">
            <el-radio :label="1">菜单</el-radio>
            <el-radio :label="2">按钮</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="菜单名称"
                      prop="menuName">
          <el-input v-model="menuForm.menuName"
                    placeholder="请输入菜单名称" />
        </el-form-item>
        <el-form-item label="菜单图标"
                      prop="icon"
                      v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.icon"
                    placeholder="请输入岗位" />
        </el-form-item>
        <el-form-item label="路由地址"
                      prop="path"
                      v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.path"
                    placeholder="请输入路由地址" />
        </el-form-item>
        <el-form-item label="权限标识"
                      prop="menuCode"
                      v-show="menuForm.menuType == 2">
          <el-input v-model="menuForm.menuCode"
                    placeholder="请输入权限标识" />
        </el-form-item>
        <el-form-item label="组件路径"
                      prop="component"
                      v-show="menuForm.menuType == 1">
          <el-input v-model="menuForm.component"
                    placeholder="请输入组件路径" />
        </el-form-item>
        <el-form-item label="菜单状态"
                      prop="menuState"
                      v-show="menuForm.menuType == 1">
          <el-radio-group v-model="menuForm.menuState">
            <el-radio :label="1">正常</el-radio>
            <el-radio :label="2">停用</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="handleClose">取 消</el-button>
          <el-button type="primary"
                     @click="handleSubmit">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>
<script>
import utils from "../utils/utils";
import { ElMessage, ElMessageBox } from 'element-plus'

export default {
  name: "menu",
  data() {
    return {
      extend: [],
      // 表单数据
      queryForm: {
        // 默认显示正常菜单
        menuState: 1,
      },
      // 表格数据
      menuList: [],
      columns: [{
        label: "菜单名称",
        prop: "menuName",
        width: 150,
      },
      {
        label: "图标",
        prop: "icon",
      },
      {
        label: "菜单类型",
        prop: "menuType",
        formatter(row, column, value) {
          return {
            1: "菜单",
            2: "按钮",
          }[value];
        },
      },
      {
        label: "权限标识",
        prop: "menuCode",
      },
      {
        label: "路由地址",
        prop: "path",
      },
      // {
      //   label: "组件路径",
      //   prop: "component",
      // },
      {
        label: "菜单状态",
        prop: "menuState",
        width: 90,
        formatter(row, column, value) {
          return {
            1: "正常",
            2: "停用",
          }[value];
        },

      },
      {
        label: "创建时间",
        prop: "createTime",
        formatter(row, column, value) {
          return utils.formateDate(new Date(value));
        },
      },
      ],
      // 新增菜单显隐控制
      showModal: false,
      // 新增菜单中表单数据
      menuForm: {
        // 默认不选中父级
        parentId: [null],
        // 默认是菜单
        menuType: 1,
        // 默认是正常
        menuState: 1,
      },
      // 控制接口功能
      action: "",
      // 表单规则
      rules: {
        menuName: [{
          required: true,
          message: "请输入菜单名称",
          trigger: "blur",
        },
        {
          min: 2,
          max: 10,
          message: "长度在2-8个字符",
          trigger: "blur",
        },
        ],
      },
    };
  },
  mounted() {
    this.getMenuList();
  },
  methods: {
    // 获取菜单列表数据
    async getMenuList() {
      try {
        let list = await this.$api.getMenuList(this.queryForm);
        this.menuList = list;
        this.menuList.forEach(item => {
          // 拿到最外层菜单的关联id
          this.extend.push(item._id)
        })
      } catch (e) {
        throw new Error(e);
      }
    },
    // 表单重置
    handleReset(form) {
      this.$refs[form].resetFields();
      this.getMenuList();
    },
    // 新增菜单
    handleAdd(type, row) {
      this.showModal = true;
      this.action = "add";
      // 如果是2就是针对某菜单下面的新增，因为在插槽里面，可以拿到其父级id和自身标识id
      if (type == 2) {
        // 给到表单里面显示
        this.menuForm.parentId = [...row.parentId, row._id].filter(
          (item) => item
        );
      }
    },
    // 修改菜单
    handleEdit(row) {
      this.showModal = true;
      // 标识为调用修改接口
      this.action = "edit";
      this.$nextTick(() => {
        Object.assign(this.menuForm, row);
      });
    },
    async handleDel(_id) {
      ElMessageBox.confirm(
        '是否确定删除?',
        '提醒', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      }
      )
        .then(async () => {
          await this.$api.menuSubmit({ _id, action: "delete" });
          this.$message.success("删除成功");
          this.getMenuList();
        })
        .catch(() => { })

    },
    // 菜单操作-提交
    handleSubmit() {
      this.$refs.dialogForm.validate(async (valid) => {
        if (valid) {
          let { action, menuForm } = this;
          let params = { ...menuForm, action };
          let res = await this.$api.menuSubmit(params);
          this.showModal = false;
          this.$message.success("操作成功");
          this.handleReset("dialogForm");
          this.getMenuList();
        }
      });
    },
    // 弹框关闭
    handleClose() {
      this.showModal = false;
      this.handleReset("dialogForm");
    },
  },
};
</script>

<style lang="scss">
</style>